Inventor
COLGROVE JOHN A
US73 patents
⚠️ This page may combine multiple inventors who share the name “COLGROVE JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SYMANTEC OPERATING CORP
19 patentsUS7831639B1Nov 9, 2010
System and method for providing data protection by using sparse files to represent images of data stored in block devices
SYMANTEC OPERATING CORP57 citations98
US7814128B2Oct 12, 2010
Multi-volume file support
SYMANTEC OPERATING CORP59 citations98
US7467265B1Dec 16, 2008
System and method for block conflict resolution within consistency interval marker based replication
SYMANTEC OPERATING CORP119 citations98
US7340640B1Mar 4, 2008
System and method for recoverable mirroring in a storage environment employing asymmetric distributed block virtualization
SYMANTEC OPERATING CORP116 citations98
US7328226B1Feb 5, 2008
Coordinated distributed log-based snapshots in a multi-host environment
SYMANTEC OPERATING CORP98 citations98
US7890469B1Feb 15, 2011
File change log
SYMANTEC OPERATING CORP158 citations97
US7653699B1Jan 26, 2010
System and method for partitioning a file system for enhanced availability and scalability
SYMANTEC OPERATING CORP153 citations97
US7308545B1Dec 11, 2007
Method and system of providing replication
SYMANTEC OPERATING CORP87 citations97
US7421554B2Sep 2, 2008
Coordinated storage management operations in replication environment
SYMANTEC OPERATING CORP52 citations96
US7409586B1Aug 5, 2008
System and method for handling a storage resource error condition based on priority information
SYMANTEC OPERATING CORP51 citations96
US8375181B1Feb 12, 2013
System and method for performing replication based on change tracking information
SYMANTEC OPERATING CORP45 citations94
US7584340B1Sep 1, 2009
System and method for pre-provisioning storage in a networked environment
SYMANTEC OPERATING CORP26 citations93
US7313724B1Dec 25, 2007
Method and apparatus for synchronizing redundant data with a volume
SYMANTEC OPERATING CORP26 citations93
US7457722B1Nov 25, 2008
Correlation of application instance life cycle events in performance monitoring
SYMANTEC OPERATING CORP52 citations91
US7523139B1Apr 21, 2009
Volume server and volume owner communication protocol in a distributed storage management system
SYMANTEC OPERATING CORP22 citations88
US7725768B1May 25, 2010
System and method for handling a storage resource error condition based on priority information
SYMANTEC OPERATING CORP8 citations84
US7409512B1Aug 5, 2008
Method and apparatus for maintaining information that indicates valid regions of a working volume and using that information to delay volume initialization
SYMANTEC OPERATING CORP13 citations84
US7330858B1Feb 12, 2008
Coordinated distributed logging in a multi-host environment
SYMANTEC OPERATING CORP15 citations84
US7308546B1Dec 11, 2007
Volume restoration using an accumulator map
SYMANTEC OPERATING CORP7 citations74
VERITAS OPERATING CORP
19 patentsUS7146461B1Dec 5, 2006
Automated recovery from data corruption of data volumes in parity RAID storage systems
VERITAS OPERATING CORP75 citations98
US7139887B2Nov 21, 2006
Coordinated storage management operations in replication environment
VERITAS OPERATING CORP65 citations98
US7096316B1Aug 22, 2006
Multi-host environment with coordinated distributed logging for writes to a raid storage volume
VERITAS OPERATING CORP101 citations98
US6907507B1Jun 14, 2005
Tracking in-progress writes through use of multi-column bitmaps
VERITAS OPERATING CORP46 citations96
US6785789B1Aug 31, 2004
Method and apparatus for creating a virtual data copy
VERITAS OPERATING CORP49 citations96
US7191299B1Mar 13, 2007
Method and system of providing periodic replication
VERITAS OPERATING CORP108 citations95
US7320008B1Jan 15, 2008
Data protection mechanism
VERITAS OPERATING CORP42 citations93
US6978354B1Dec 20, 2005
Method for creating a virtual data copy of a volume being restored
VERITAS OPERATING CORP16 citations93
US6912631B1Jun 28, 2005
Method and apparatus for restoring a corrupted data volume
VERITAS OPERATING CORP34 citations93
US6910111B1Jun 21, 2005
Volume restoration using an accumulator map
VERITAS OPERATING CORP20 citations93
US6880053B2Apr 12, 2005
Instant refresh of a data volume copy
VERITAS OPERATING CORP16 citations93
US7159093B2Jan 2, 2007
Development of a detailed logical volume configuration from high-level user requirements
VERITAS OPERATING CORP38 citations92
US7089385B1Aug 8, 2006
Tracking in-progress writes through use of multi-column bitmaps
VERITAS OPERATING CORP14 citations84
US7069381B1Jun 27, 2006
Automated Recovery from data corruption of data volumes in RAID storage
VERITAS OPERATING CORP15 citations84
US6850945B2Feb 1, 2005
Systems, methods and apparatus for creating stable disk images
VERITAS OPERATING CORP13 citations83
US7117505B2Oct 3, 2006
Methods, systems, and apparatus to interface with storage objects
VERITAS OPERATING CORP11 citations82
US7310714B2Dec 18, 2007
Method and apparatus for creating a virtual data copy
VERITAS OPERATING CORP5 citations74
US7254736B2Aug 7, 2007
Systems and method providing input/output fencing in shared storage environments
VERITAS OPERATING CORP9 citations74
US7103737B1Sep 5, 2006
Flexible hierarchy of relationships and operations in data volumes
VERITAS OPERATING CORP10 citations74
VERITAS SOFTWARE CORP
2 patentsAMDAHL CORP
2 patentsSYMANTEC CORP
2 patentsSymantec Operating Company
1 patentVERITAS SOFTWARE
1 patentWANG FENG
1 patentTAWRI DEEPAK
1 patentHARMER CRAIG K
1 patentKISELEV OLEG
1 patentShowing the top 50 of 73 patents by PatentIndex Score.